[clean] Update to Git patch a1e150f:

https://github.com/AntumDeluge/mtmod-clean/tree/a1e150f

README.md

@@ -493,7 +493,7 @@ The game includes the mods from the default [minetest_game](https://github.com/m
 [patch.biome_lib]: https://github.com/AntumDeluge/mtmod-biome_lib/tree/4821839
 [patch.campfire]: https://github.com/AntumDeluge/mtmod-campfire/tree/67b9dd7
 [patch.christmas]: https://github.com/AntumDeluge/mtmod-christmas/tree/f6c8dc2
-[patch.clean]: https://github.com/AntumDeluge/mtmod-clean/tree/c4b2b99
+[patch.clean]: https://github.com/AntumDeluge/mtmod-clean/tree/a1e150f
 [patch.cme]: https://github.com/AntumDeluge/mtmp-cme/tree/7a6e106
 [patch.coloredwood]: https://github.com/AntumDeluge/mtmod-coloredwood/tree/e1e02b3
 [patch.compassgps]: https://github.com/AntumDeluge/mtmod-compassgps/tree/888ec15

mods/admin/clean/init.lua

@@ -1,17 +1,29 @@
 -- LICENSE: WTFPL
 -- Copyright: PilzAdam
 
-local old_nodes = {"mod:a", "mod:b"}
+local old_nodes = {'mod:a', 'mod:b'}
 local old_entities = {'mobs_mc:skeleton', 'mobs_mc:creeper', 'kpgmobs:sheep'}
 
+-- Old/Missing nodes that should be replaced with something currently in game
+local replace_nodes = {
+    {'homedecor:bed_regular', 'homedecor:bed_white_regular'},
+}
+
+
+-- "Replaces" an old/non-existent node
+local function replace_node(old_node, new_node)
+    minetest.register_alias(old_node, new_node)
+end
+
+
 for _,node_name in ipairs(old_nodes) do
-    minetest.register_node(":"..node_name, {
+    minetest.register_node(':'..node_name, {
         groups = {old=1},
     })
 end
 
 minetest.register_abm({
-    nodenames = {"group:old"},
+    nodenames = {'group:old'},
     interval = 1,
     chance = 1,
     action = function(pos, node)
@@ -20,9 +32,14 @@ minetest.register_abm({
 })
 
 for _,entity_name in ipairs(old_entities) do
-    minetest.register_entity(":"..entity_name, {
+    minetest.register_entity(':'..entity_name, {
         on_activate = function(self, staticdata)
             self.object:remove()
         end,
     })
 end
+
+-- Replace old nodes
+for _, node_group in pairs(replace_nodes) do
+    replace_node(node_group[1], node_group[2])
+end